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GHSA-9v76-4qcc-frghPublished

Microsoft Security Advisory CVE-2026-42899 – ASP.NET Core Denial of Service Vulnerability

Exact source revision recorded 23 Oct 2026 16:01:25 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

osv · GHSA-9v76-4qcc-frgh

Published

Microsoft.AspNetCore.App.Runtime.win-arm

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

Microsoft.AspNetCore.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.linux-arm

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.linux-arm64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.linux-musl-arm

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.linux-musl-arm64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.linux-musl-x64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.linux-x64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.osx-arm64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.osx-x64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.27

26 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.AspNetCore.App.Runtime.win-arm

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

Microsoft.AspNetCore.App.Runtime.win-arm

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

Microsoft.AspNetCore.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.linux-arm

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.linux-arm

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.linux-arm64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.linux-arm64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.linux-musl-arm

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.linux-musl-arm

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.linux-musl-arm64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.linux-musl-arm64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.linux-musl-x64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.linux-musl-x64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.linux-x64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.linux-x64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.osx-arm64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.osx-arm64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Microsoft.AspNetCore.App.Runtime.osx-x64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.16

16 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.AspNetCore.App.Runtime.osx-x64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.8

8 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 7 Nov 17:14 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current

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